mirror of https://github.com/hak5/openwrt-owl.git
436 lines
11 KiB
C
436 lines
11 KiB
C
/*
|
|
* Wireless Network Adapter configuration utility
|
|
*
|
|
* Copyright (C) 2005 Felix Fietkau <nbd@vd-s.ath.cx>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <iwlib.h>
|
|
#include <bcmnvram.h>
|
|
#include <shutils.h>
|
|
#include <wlioctl.h>
|
|
|
|
/*------------------------------------------------------------------*/
|
|
/*
|
|
* Macro to handle errors when setting WE
|
|
* Print a nice error message and exit...
|
|
* We define them as macro so that "return" do the right thing.
|
|
* The "do {...} while(0)" is a standard trick
|
|
*/
|
|
#define ERR_SET_EXT(rname, request) \
|
|
fprintf(stderr, "Error for wireless request \"%s\" (%X) :\n", \
|
|
rname, request)
|
|
|
|
#define ABORT_ARG_NUM(rname, request) \
|
|
do { \
|
|
ERR_SET_EXT(rname, request); \
|
|
fprintf(stderr, " too few arguments.\n"); \
|
|
return; \
|
|
} while(0)
|
|
|
|
#define ABORT_ARG_TYPE(rname, request, arg) \
|
|
do { \
|
|
ERR_SET_EXT(rname, request); \
|
|
fprintf(stderr, " invalid argument \"%s\".\n", arg); \
|
|
return; \
|
|
} while(0)
|
|
|
|
#define ABORT_ARG_SIZE(rname, request, max) \
|
|
do { \
|
|
ERR_SET_EXT(rname, request); \
|
|
fprintf(stderr, " argument too big (max %d)\n", max); \
|
|
return; \
|
|
} while(0)
|
|
|
|
/*------------------------------------------------------------------*/
|
|
/*
|
|
* Wrapper to push some Wireless Parameter in the driver
|
|
* Use standard wrapper and add pretty error message if fail...
|
|
*/
|
|
#define IW_SET_EXT_ERR(skfd, ifname, request, wrq, rname) \
|
|
do { \
|
|
if(iw_set_ext(skfd, ifname, request, wrq) < 0) { \
|
|
ERR_SET_EXT(rname, request); \
|
|
fprintf(stderr, " SET failed on device %-1.16s ; %s.\n", \
|
|
ifname, strerror(errno)); \
|
|
return; \
|
|
} } while(0)
|
|
|
|
/*------------------------------------------------------------------*/
|
|
/*
|
|
* Wrapper to extract some Wireless Parameter out of the driver
|
|
* Use standard wrapper and add pretty error message if fail...
|
|
*/
|
|
#define IW_GET_EXT_ERR(skfd, ifname, request, wrq, rname) \
|
|
do { \
|
|
if(iw_get_ext(skfd, ifname, request, wrq) < 0) { \
|
|
ERR_SET_EXT(rname, request); \
|
|
fprintf(stderr, " GET failed on device %-1.16s ; %s.\n", \
|
|
ifname, strerror(errno)); \
|
|
return; \
|
|
} } while(0)
|
|
|
|
char *prefix;
|
|
char buffer[128];
|
|
|
|
char *wl_var(char *name)
|
|
{
|
|
strcpy(buffer, prefix);
|
|
strcat(buffer, name);
|
|
}
|
|
|
|
int nvram_enabled(char *name)
|
|
{
|
|
return (nvram_match(name, "1") || nvram_match(name, "on") || nvram_match(name, "enabled") || nvram_match(name, "true") || nvram_match(name, "yes") ? 1 : 0);
|
|
}
|
|
|
|
int nvram_disabled(char *name)
|
|
{
|
|
return (nvram_match(name, "0") || nvram_match(name, "off") || nvram_match(name, "disabled") || nvram_match(name, "false") || nvram_match(name, "no") ? 1 : 0);
|
|
}
|
|
|
|
|
|
int bcom_ioctl(int skfd, char *ifname, int cmd, void *buf, int len)
|
|
{
|
|
struct ifreq ifr;
|
|
wl_ioctl_t ioc;
|
|
int ret;
|
|
|
|
ioc.cmd = cmd;
|
|
ioc.buf = buf;
|
|
ioc.len = len;
|
|
|
|
ifr.ifr_data = (caddr_t) &ioc;
|
|
strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
|
|
|
|
ret = ioctl(skfd, SIOCDEVPRIVATE, &ifr);
|
|
if (ret < 0)
|
|
fprintf(stderr, "bcom_ioctl [cmd=%d, buf=%08x, len=%d] failed: %d\n", cmd, buf, len, ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int bcom_set_val(int skfd, char *ifname, char *var, void *val, int len)
|
|
{
|
|
char buf[8192];
|
|
int ret;
|
|
|
|
if (strlen(var) + 1 > sizeof(buf) || len > sizeof(buf))
|
|
return -1;
|
|
|
|
strcpy(buf, var);
|
|
|
|
if ((ret = bcom_ioctl(skfd, ifname, WLC_GET_VAR, buf, sizeof(buf))))
|
|
return ret;
|
|
|
|
memcpy(val, buf, len);
|
|
return 0;
|
|
}
|
|
|
|
int bcom_set_int(int skfd, char *ifname, char *var, int val)
|
|
{
|
|
return bcom_set_val(skfd, ifname, var, &val, sizeof(val));
|
|
}
|
|
|
|
void setup_bcom(int skfd, char *ifname)
|
|
{
|
|
int val = 0;
|
|
char buf[8192];
|
|
char wbuf[80];
|
|
char *v;
|
|
|
|
if (bcom_ioctl(skfd, ifname, WLC_GET_MAGIC, &val, sizeof(val)) < 0)
|
|
return;
|
|
|
|
bcom_ioctl(skfd, ifname, WLC_DOWN, NULL, 0);
|
|
|
|
if (nvram_match(wl_var("auth_mode"), "wpa") || nvram_match(wl_var("auth_mode"), "psk") || (nvram_get(wl_var("akm")) && !nvram_disabled(wl_var("akm")))) {
|
|
/* Set up WPA */
|
|
if (nvram_match(wl_var("crypto"), "tkip"))
|
|
val = TKIP_ENABLED;
|
|
else if (nvram_match(wl_var("crypto"), "aes"))
|
|
val = AES_ENABLED;
|
|
else if (nvram_match(wl_var("crypto"), "tkip+aes"))
|
|
val = TKIP_ENABLED | AES_ENABLED;
|
|
else
|
|
val = 0;
|
|
bcom_ioctl(skfd, ifname, WLC_SET_WSEC, &val, sizeof(val));
|
|
|
|
if (val && nvram_get(wl_var("wpa_psk"))) {
|
|
val = 1;
|
|
bcom_ioctl(skfd, ifname, WLC_SET_EAP_RESTRICT, &val, sizeof(val));
|
|
}
|
|
}
|
|
|
|
/* Set up afterburner */
|
|
val = ABO_AUTO;
|
|
if (nvram_enabled(wl_var("afterburner")))
|
|
val = ABO_ON;
|
|
if (nvram_disabled(wl_var("afterburner")))
|
|
val = ABO_OFF;
|
|
bcom_set_val(skfd, ifname, "afterburner_override", &val, sizeof(val));
|
|
|
|
/* Set other options */
|
|
if (v = nvram_get(wl_var("lazywds"))) {
|
|
val = atoi(v);
|
|
bcom_ioctl(skfd, ifname, WLC_SET_LAZYWDS, &val, sizeof(val));
|
|
}
|
|
if (v = nvram_get(wl_var("frag"))) {
|
|
val = atoi(v);
|
|
bcom_ioctl(skfd, ifname, WLC_SET_FRAG, &val, sizeof(val));
|
|
}
|
|
if (v = nvram_get(wl_var("dtim"))) {
|
|
val = atoi(v);
|
|
bcom_ioctl(skfd, ifname, WLC_SET_DTIMPRD, &val, sizeof(val));
|
|
}
|
|
if (v = nvram_get(wl_var("bcn"))) {
|
|
val = atoi(v);
|
|
bcom_ioctl(skfd, ifname, WLC_SET_BCNPRD, &val, sizeof(val));
|
|
}
|
|
if (v = nvram_get(wl_var("rts"))) {
|
|
val = atoi(v);
|
|
bcom_ioctl(skfd, ifname, WLC_SET_RTS, &val, sizeof(val));
|
|
}
|
|
if (v = nvram_get(wl_var("antdiv"))) {
|
|
val = atoi(v);
|
|
bcom_ioctl(skfd, ifname, WLC_SET_ANTDIV, &val, sizeof(val));
|
|
}
|
|
if (v = nvram_get(wl_var("txant"))) {
|
|
val = atoi(v);
|
|
bcom_ioctl(skfd, ifname, WLC_SET_TXANT, &val, sizeof(val));
|
|
}
|
|
|
|
val = nvram_enabled(wl_var("closed"));
|
|
bcom_ioctl(skfd, ifname, WLC_SET_CLOSED, &val, sizeof(val));
|
|
|
|
val = nvram_enabled(wl_var("ap_isolate"));
|
|
bcom_set_int(skfd, ifname, "ap_isolate", val);
|
|
|
|
val = nvram_enabled(wl_var("frameburst"));
|
|
bcom_ioctl(skfd, ifname, WLC_SET_FAKEFRAG, &val, sizeof(val));
|
|
|
|
/* Set up MAC list */
|
|
if (nvram_match(wl_var("macmode"), "allow"))
|
|
val = WLC_MACMODE_ALLOW;
|
|
else if (nvram_match(wl_var("macmode"), "deny"))
|
|
val = WLC_MACMODE_DENY;
|
|
else
|
|
val = WLC_MACMODE_DISABLED;
|
|
|
|
if ((val != WLC_MACMODE_DISABLED) && (v = nvram_get(wl_var("maclist")))) {
|
|
struct maclist *mac_list;
|
|
struct ether_addr *addr;
|
|
char *next;
|
|
|
|
memset(buf, 0, 8192);
|
|
mac_list = (struct maclist *) buf;
|
|
addr = mac_list->ea;
|
|
|
|
foreach(wbuf, v, next) {
|
|
if (ether_atoe(wbuf, addr->ether_addr_octet)) {
|
|
mac_list->count++;
|
|
addr++;
|
|
}
|
|
}
|
|
bcom_ioctl(skfd, ifname, WLC_SET_MACLIST, buf, sizeof(buf));
|
|
} else {
|
|
val = WLC_MACMODE_DISABLED;
|
|
}
|
|
bcom_ioctl(skfd, ifname, WLC_SET_MACMODE, &val, sizeof(val));
|
|
|
|
if (v = nvram_get(wl_var("wds"))) {
|
|
struct maclist *wdslist = (struct maclist *) buf;
|
|
struct ether_addr *addr = wdslist->ea;
|
|
char *next;
|
|
|
|
memset(buf, 0, 8192);
|
|
foreach(wbuf, v, next) {
|
|
if (ether_atoe(wbuf, addr->ether_addr_octet)) {
|
|
wdslist->count++;
|
|
addr++;
|
|
}
|
|
}
|
|
bcom_ioctl(skfd, ifname, WLC_SET_WDSLIST, buf, sizeof(buf));
|
|
}
|
|
|
|
/* Set up G mode */
|
|
bcom_ioctl(skfd, ifname, WLC_GET_PHYTYPE, &val, sizeof(val));
|
|
if (val == 2) {
|
|
int override = WLC_G_PROTECTION_OFF;
|
|
int control = WLC_G_PROTECTION_CTL_OFF;
|
|
|
|
if (v = nvram_get(wl_var("gmode")))
|
|
val = atoi(v);
|
|
else
|
|
val = 1;
|
|
|
|
if (val > 5)
|
|
val = 1;
|
|
|
|
bcom_ioctl(skfd, ifname, WLC_SET_GMODE, &val, sizeof(val));
|
|
|
|
if (nvram_match(wl_var("gmode_protection"), "auto")) {
|
|
override = WLC_G_PROTECTION_AUTO;
|
|
control = WLC_G_PROTECTION_CTL_OVERLAP;
|
|
}
|
|
if (nvram_enabled(wl_var("gmode_protection"))) {
|
|
override = WLC_G_PROTECTION_ON;
|
|
control = WLC_G_PROTECTION_CTL_OVERLAP;
|
|
}
|
|
bcom_ioctl(skfd, ifname, WLC_SET_GMODE_PROTECTION_CONTROL, &override, sizeof(control));
|
|
bcom_ioctl(skfd, ifname, WLC_SET_GMODE_PROTECTION_OVERRIDE, &override, sizeof(override));
|
|
}
|
|
}
|
|
|
|
void set_wext_ssid(int skfd, char *ifname)
|
|
{
|
|
char *buffer;
|
|
struct iwreq wrq;
|
|
|
|
if (buffer = nvram_get(wl_var("ssid"))) {
|
|
if (strlen(buffer) > IW_ESSID_MAX_SIZE) {
|
|
ABORT_ARG_SIZE("Set ESSID", SIOCSIWESSID, IW_ESSID_MAX_SIZE);
|
|
} else {
|
|
char essid[IW_ESSID_MAX_SIZE + 1];
|
|
|
|
wrq.u.essid.flags = 1;
|
|
strcpy(essid, buffer);
|
|
wrq.u.essid.pointer = (caddr_t) essid;
|
|
wrq.u.essid.length = strlen(essid) + 1;
|
|
IW_SET_EXT_ERR(skfd, ifname, SIOCSIWESSID, &wrq, "Set ESSID");
|
|
}
|
|
}
|
|
}
|
|
|
|
void start_bcom(int skfd, char *ifname)
|
|
{
|
|
int val = 0;
|
|
|
|
if (bcom_ioctl(skfd, ifname, WLC_GET_MAGIC, &val, sizeof(val)) < 0)
|
|
return;
|
|
|
|
bcom_ioctl(skfd, ifname, WLC_UP, &val, sizeof(val));
|
|
|
|
/* Need to re-set SSID after WLC_UP */
|
|
set_wext_ssid(skfd, ifname);
|
|
}
|
|
|
|
void setup_wext_wep(int skfd, char *ifname)
|
|
{
|
|
int i, keylen;
|
|
struct iwreq wrq;
|
|
char keystr[5];
|
|
char *keyval;
|
|
unsigned char key[IW_ENCODING_TOKEN_MAX];
|
|
|
|
strcpy(keystr, "key1");
|
|
for (i = 1; i <= 4; i++) {
|
|
if (keyval = nvram_get(wl_var(keystr))) {
|
|
keylen = iw_in_key(keyval, key);
|
|
|
|
if (keylen > 0) {
|
|
wrq.u.data.length = keylen;
|
|
wrq.u.data.pointer = (caddr_t) key;
|
|
wrq.u.data.flags = i;
|
|
IW_SET_EXT_ERR(skfd, ifname, SIOCSIWENCODE, &wrq, "Set Encode");
|
|
}
|
|
}
|
|
keystr[3]++;
|
|
}
|
|
|
|
|
|
i = atoi(nvram_safe_get(wl_var("key")));
|
|
if (i > 0 && i < 4) {
|
|
wrq.u.data.flags = i | IW_ENCODE_RESTRICTED;
|
|
IW_SET_EXT_ERR(skfd, ifname, SIOCSIWENCODE, &wrq, "Set Encode");
|
|
}
|
|
}
|
|
|
|
void setup_wext(int skfd, char *ifname)
|
|
{
|
|
char *buffer;
|
|
struct iwreq wrq;
|
|
|
|
/* Set ESSID */
|
|
set_wext_ssid(skfd, ifname);
|
|
|
|
/* Set channel */
|
|
int channel = atoi(nvram_safe_get(wl_var("channel")));
|
|
|
|
wrq.u.freq.m = -1;
|
|
wrq.u.freq.e = 0;
|
|
wrq.u.freq.flags = 0;
|
|
|
|
if (channel > 0) {
|
|
wrq.u.freq.flags = IW_FREQ_FIXED;
|
|
wrq.u.freq.m = channel;
|
|
IW_SET_EXT_ERR(skfd, ifname, SIOCSIWFREQ, &wrq, "Set Frequency");
|
|
}
|
|
|
|
/* Set operation mode */
|
|
int ap = 0, infra = 0, wet = 0;
|
|
|
|
ap = !nvram_match(wl_var("mode"), "sta");
|
|
infra = !nvram_disabled(wl_var("infra"));
|
|
wet = nvram_enabled(wl_var("wet"));
|
|
|
|
wrq.u.mode = (!infra ? IW_MODE_ADHOC : (ap ? IW_MODE_MASTER : (wet ? IW_MODE_REPEAT : IW_MODE_INFRA)));
|
|
IW_SET_EXT_ERR(skfd, ifname, SIOCSIWMODE, &wrq, "Set Mode");
|
|
|
|
/* Disable radio if wlX_radio is set and not enabled */
|
|
wrq.u.txpower.disabled = nvram_disabled(wl_var("radio"));
|
|
|
|
wrq.u.txpower.value = -1;
|
|
wrq.u.txpower.fixed = 1;
|
|
wrq.u.txpower.flags = IW_TXPOW_MWATT;
|
|
IW_SET_EXT_ERR(skfd, ifname, SIOCSIWTXPOW, &wrq, "Set Tx Power");
|
|
|
|
/* Set up WEP */
|
|
if (nvram_enabled(wl_var("wep")))
|
|
setup_wext_wep(skfd, ifname);
|
|
|
|
}
|
|
|
|
|
|
static int setup_interfaces(int skfd, char *ifname, char *args[], int count)
|
|
{
|
|
struct iwreq wrq;
|
|
int rc;
|
|
|
|
/* Avoid "Unused parameter" warning */
|
|
args = args; count = count;
|
|
|
|
if(iw_get_ext(skfd, ifname, SIOCGIWNAME, &wrq) < 0)
|
|
return 0;
|
|
|
|
setup_bcom(skfd, ifname);
|
|
setup_wext(skfd, ifname);
|
|
start_bcom(skfd, ifname);
|
|
prefix[2]++;
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
int skfd;
|
|
if((skfd = iw_sockets_open()) < 0) {
|
|
perror("socket");
|
|
exit(-1);
|
|
}
|
|
|
|
prefix = strdup("wl0_");
|
|
iw_enum_devices(skfd, &setup_interfaces, NULL, 0);
|
|
|
|
return 0;
|
|
}
|